diff --git a/data/battle_scripts_1.s b/data/battle_scripts_1.s
index 94a220608..d1d1e670f 100644
--- a/data/battle_scripts_1.s
+++ b/data/battle_scripts_1.s
@@ -416,6 +416,18 @@ gBattleScriptsForMoveEffects::
 	.4byte BattleScript_EffectDoubleShock             @ EFFECT_DOUBLE_SHOCK
 	.4byte BattleScript_EffectSpecialAttackUpHit      @ EFFECT_SPECIAL_ATTACK_UP_HIT
 	.4byte BattleScript_EffectVictoryDance            @ EFFECT_VICTORY_DANCE
+	.4byte BattleScript_EffectCeaselessEdge           @ EFFECT_CEASELESS_EDGE
+
+BattleScript_EffectCeaselessEdge::
+	call BattleScript_EffectHit_Ret
+	trysetspikes BattleScript_ButItFailedAtkStringPpReduce
+	attackstring
+	ppreduce
+	attackanimation
+	waitanimation
+	printstring STRINGID_SPIKESSCATTERED
+	waitmessage B_WAIT_TIME_LONG
+	goto BattleScript_MoveEnd
 
 BattleScript_AffectionBasedEndurance::
 	playanimation BS_TARGET, B_ANIM_AFFECTION_HANGED_ON
@@ -3029,6 +3041,29 @@ BattleScript_MoveEnd::
 	moveendall
 	end
 
+BattleScript_EffectHit_Ret::
+	attackcanceler
+	accuracycheck BattleScript_PrintMoveMissed, ACC_CURR_MOVE
+	attackstring
+	ppreduce
+	critcalc
+	damagecalc
+	adjustdamage
+	attackanimation
+	waitanimation
+	effectivenesssound
+	hitanimation BS_TARGET
+	waitstate
+	healthbarupdate BS_TARGET
+	datahpupdate BS_TARGET
+	critmessage
+	waitmessage B_WAIT_TIME_LONG
+	resultmessage
+	waitmessage B_WAIT_TIME_LONG
+	seteffectwithchance
+	tryfaintmon BS_TARGET
+	return
+
 BattleScript_EffectNaturalGift:
 	attackcanceler
 	attackstring
diff --git a/include/constants/battle_move_effects.h b/include/constants/battle_move_effects.h
index 5af1017a9..1ac102c35 100644
--- a/include/constants/battle_move_effects.h
+++ b/include/constants/battle_move_effects.h
@@ -397,7 +397,8 @@
 #define EFFECT_DOUBLE_SHOCK                 391
 #define EFFECT_SPECIAL_ATTACK_UP_HIT        392
 #define EFFECT_VICTORY_DANCE                393
+#define EFFECT_CEASELESS_EDGE               394
 
-#define NUM_BATTLE_MOVE_EFFECTS             394
+#define NUM_BATTLE_MOVE_EFFECTS             395
 
 #endif  // GUARD_CONSTANTS_BATTLE_MOVE_EFFECTS_H
diff --git a/src/data/battle_moves.h b/src/data/battle_moves.h
index ef4d15039..225da6ff7 100644
--- a/src/data/battle_moves.h
+++ b/src/data/battle_moves.h
@@ -13598,7 +13598,7 @@ const struct BattleMove gBattleMoves[MOVES_COUNT_Z] =
 
     [MOVE_CEASELESS_EDGE] =
     {
-        .effect = EFFECT_PLACEHOLDER, // EFFECT_CEASELESS_EDGE,
+        .effect = EFFECT_CEASELESS_EDGE,
         .power = 65,
         .type = TYPE_DARK,
         .accuracy = 90,